"Recycling" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
The extraction and recovery of usable or valuable material from scrap or other discarded materials. (from McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed.)
Below are MeSH descriptors whose meaning is more general than "Recycling".
Below are MeSH descriptors whose meaning is more specific than "Recycling".
This graph shows the total number of publications written about "Recycling" by people in this website by year, and whether "Recycling" was a major or minor topic of these publications.
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